As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING THE DISASSEMBLY OF THE EPC MODULE, SI 72-35-140/46-001630-12 WAS PERFORMED (JT9D-7R4-A72-524) MANDATORY EDDY CURRENT INSPECTION ON HPC DISCS STAGES 14 & 15. THE ECI INSPECTION REVEALED 10 CRACK INDICATIONS ON STAGE 14 AND 4 CRACK INDICATIONS ON STAGE 15. THE DISCS WERE REMOVED FROM SERVICES.